linux-2.6-microblaze.git
13 years agoALSA: hda - Initialize output path dynamically in patch_via.c
Takashi Iwai [Mon, 20 Jun 2011 09:32:27 +0000 (11:32 +0200)]
ALSA: hda - Initialize output path dynamically in patch_via.c

Instead of fixed array for each codec type, initialize the output path
dynamically from the parsed results.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hda - Replace with standard consts in patch_via.c
Takashi Iwai [Sun, 19 Jun 2011 14:27:53 +0000 (16:27 +0200)]
ALSA: hda - Replace with standard consts in patch_via.c

Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hda - Fix independent-HP handling in patch_via.c
Takashi Iwai [Sun, 19 Jun 2011 14:24:21 +0000 (16:24 +0200)]
ALSA: hda - Fix independent-HP handling in patch_via.c

Fix races in handling of HP DAC and independent streams for VIA codecs.
Also, allow the HP output path without front-DAC, and removed
unnecessary activation of HP mixer elements.

This also removes the handling of shared side/HP stream; it's anyway
implemented in a broken way, so we need to re-implement the feature
later...

Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hda - Unify auto-parser in patch_via.c
Takashi Iwai [Sat, 18 Jun 2011 15:45:49 +0000 (17:45 +0200)]
ALSA: hda - Unify auto-parser in patch_via.c

Now all codecs use the same parser-path, so we can reduce into a single
auto-parser function.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hda - Return error for invalid setup for VIA
Takashi Iwai [Sat, 18 Jun 2011 15:33:34 +0000 (17:33 +0200)]
ALSA: hda - Return error for invalid setup for VIA

Instead of ignoring the invalid pin configuration, return the error.
This will avoid unexpected crash, anyway.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hda - Unify capture-mixer creations in patch_via.c
Takashi Iwai [Sat, 18 Jun 2011 15:24:46 +0000 (17:24 +0200)]
ALSA: hda - Unify capture-mixer creations in patch_via.c

Create capture-related mixer elements dynamically from the parsed
ADCs and input-pins instead of fixed values for each codec.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hda - Assign HP-independent PCM to individual stream
Takashi Iwai [Sat, 18 Jun 2011 14:40:14 +0000 (16:40 +0200)]
ALSA: hda - Assign HP-independent PCM to individual stream

Instead of using the secondary substream, create an individual PCM
stream for HP-independent PCM.  Otherwise it's difficult to handle
different channel numbers with multi-channel stream in the sam PCM
stream structure.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hda - Unify PCM assignments in patch_via.c
Takashi Iwai [Sat, 18 Jun 2011 14:17:45 +0000 (16:17 +0200)]
ALSA: hda - Unify PCM assignments in patch_via.c

Unify PCM streams for all codecs by assigning the NID dynamically.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hda - Don't create secondary substream when no independent-hp is used
Takashi Iwai [Sat, 18 Jun 2011 08:58:49 +0000 (10:58 +0200)]
ALSA: hda - Don't create secondary substream when no independent-hp is used

For VIA codecs, we shouldn't create a substream for independent HP mode,
when no individual HP DAC is found.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hda - Re-implement smart51 detection for VIA codecs
Takashi Iwai [Fri, 17 Jun 2011 16:46:48 +0000 (18:46 +0200)]
ALSA: hda - Re-implement smart51 detection for VIA codecs

Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hda - Unify output-control parsing in patch_via.c
Takashi Iwai [Fri, 17 Jun 2011 15:53:38 +0000 (17:53 +0200)]
ALSA: hda - Unify output-control parsing in patch_via.c

Parse the output-paths more dynamically, i.e. traverse the paths
from each output pin instead of fixed assignment for each codec.
Now all codecs are using the same output parser code.

The smart51 setup doesn't work with this change, and will be fixed
in the next commits.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hda - Unify input-volume creations in patch_via.c
Takashi Iwai [Fri, 17 Jun 2011 15:19:19 +0000 (17:19 +0200)]
ALSA: hda - Unify input-volume creations in patch_via.c

Now storing the analog-mixer widget in spec, we can simplify the rest
parts.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hda - Auto-mute all LO and speakers in patch_via.c
Takashi Iwai [Fri, 17 Jun 2011 14:51:39 +0000 (16:51 +0200)]
ALSA: hda - Auto-mute all LO and speakers in patch_via.c

Muting all line-outs and/or speakers is more common in other drivers,
so we should follow it, too.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hda - Change pin-ctl for auto-muting in patch_via.c
Takashi Iwai [Fri, 17 Jun 2011 14:37:45 +0000 (16:37 +0200)]
ALSA: hda - Change pin-ctl for auto-muting in patch_via.c

Mute the outputs via pin-controls instead of amps for the auto-mute
handling.  This makes our life easier as it avoids conflict of the states
between the mixer elements and the auto-mute toggles.

With this change, we can use vmaster for the master control easily now.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hda - Generate PCM names dynamically in patch_via.c
Takashi Iwai [Fri, 17 Jun 2011 14:24:21 +0000 (16:24 +0200)]
ALSA: hda - Generate PCM names dynamically in patch_via.c

This reduces lots of static strings.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hda - Refactor ctl array handling in patch_via.c
Takashi Iwai [Fri, 17 Jun 2011 14:15:26 +0000 (16:15 +0200)]
ALSA: hda - Refactor ctl array handling in patch_via.c

No functional change.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hda - Defer mixer element creation to the right time in patch_via.c
Takashi Iwai [Fri, 17 Jun 2011 13:46:13 +0000 (15:46 +0200)]
ALSA: hda - Defer mixer element creation to the right time in patch_via.c

The jack-detect control should be created at the time of build_controls
callback instead of calling snd_hda_add_ctls() at the tree-parsing time.
For that, copy the control to the temporary array like other cases.

Also, fixed typos of vt1708_jack_detect in all places.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hda - Fill ADCs dynamically for VIA codecs
Takashi Iwai [Fri, 17 Jun 2011 07:01:29 +0000 (09:01 +0200)]
ALSA: hda - Fill ADCs dynamically for VIA codecs

Instead of giving the fixed ADC list, parse the widgets and fill in
ADCs dynamically.

Also, probe the stereo-mixer input more dynamically, too.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hda - Add control to suppress the dynamic pin-power for VIA
Takashi Iwai [Fri, 17 Jun 2011 14:59:21 +0000 (16:59 +0200)]
ALSA: hda - Add control to suppress the dynamic pin-power for VIA

Currently VIA driver controls the power-state of each pin per jack
detection.  But, it means that the power-state mismatch may occur when
the machine doesn't give the proper jack-detection.

For avoiding this problem, a new control element "Dynamic Power-Control"
is provided so that user can turn on/off the pin-power control.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hda - Remove superfluous NID_MAPPING use for smart51 mixer
Takashi Iwai [Fri, 17 Jun 2011 12:55:02 +0000 (14:55 +0200)]
ALSA: hda - Remove superfluous NID_MAPPING use for smart51 mixer

Just a minor clean up; nid-mapping can be set directly to the smart51
mixer element.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: HDA: Remove redundant LPIB quirks for ATI chipset
David Henningsson [Fri, 17 Jun 2011 14:27:01 +0000 (16:27 +0200)]
ALSA: HDA: Remove redundant LPIB quirks for ATI chipset

Now that we have changed the position_fix default for ATI and AMD
to be LPIB (see commit 50e3bbf989), we can remove the quirks that
were added for ATI chipsets.

Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hda: check make_exec_verb() return value
Greg Thelen [Mon, 13 Jun 2011 14:45:45 +0000 (07:45 -0700)]
ALSA: hda: check make_exec_verb() return value

If given a -1 cmd parameter then make_exec_verb() returns -1 without
setting the res output value.

Prior to this change snd_hda_codec_read() assumed that make_exec_verb()
unconditionally set res regardless of the cmd value.

This change explicitly checks the make_exec_verb() return value before
consuming the potentially unset res value.

Signed-off-by: Greg Thelen <gthelen@google.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoMerge branch 'fix/hda' into topic/hda
Takashi Iwai [Mon, 13 Jun 2011 06:37:53 +0000 (08:37 +0200)]
Merge branch 'fix/hda' into topic/hda

13 years agoALSA: hda - Fix beep_device compilation warnings
Joe Perches [Sun, 12 Jun 2011 20:02:43 +0000 (13:02 -0700)]
ALSA: hda - Fix beep_device compilation warnings

Using static inline functions can reduce compilation messages
and macro misuse.

 sound/pci/hda/patch_conexant.c: In function ‘patch_cxt5045’:
 sound/pci/hda/patch_conexant.c:1232:3: warning: statement with no effect

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hda - Fix wrong auto-mute type for Acer Aspire-one
Takashi Iwai [Mon, 13 Jun 2011 06:32:06 +0000 (08:32 +0200)]
ALSA: hda - Fix wrong auto-mute type for Acer Aspire-one

The auto-mute setup for Acer Aspire-one with ALC268 was set wrongly
during the clean-up of auto-mute function.  Fixed now.

Tested-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: emu10k1: Add details for E-mu 0404 PCIe version
Florian Zeitz [Sat, 11 Jun 2011 23:15:42 +0000 (01:15 +0200)]
ALSA: emu10k1: Add details for E-mu 0404 PCIe version

This patch adds the necessary details to support the PCIe version of
E-MU's 0404 card.
From comparing the PCBs it seems the PCIe version just added a PCIe
chipset and left all other components pretty much in place.
For anyone intrigued to take a look at the PCB there are pictures I took
at <http://babelmonkeys.de/~florob/E-MU%200404/>.

Signed-off-by: Florian Zeitz <florob@babelmonkeys.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hdspm - Add firmware revision ID for RME MADI PCI version
Adrian Knoth [Sun, 12 Jun 2011 15:26:19 +0000 (17:26 +0200)]
ALSA: hdspm - Add firmware revision ID for RME MADI PCI version

The PCI version of the RME HDSP MADI card uses 0xcf as revision ID. Just
add this to the list of supported cards.

Signed-off-by: Adrian Knoth <adi@drcomp.erfurt.thur.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hdspm - Fix jumping external wordclock frequency in AutoSync mode
Adrian Knoth [Sun, 12 Jun 2011 15:26:18 +0000 (17:26 +0200)]
ALSA: hdspm - Fix jumping external wordclock frequency in AutoSync mode

When using Word Clock on RME MADI cards, AutoSync mode was alternating
betweeen MADI and WC due to a typo: AutoSync is indicated in the second
status register (status2), not the first one (status).

While the proc output was always correct, the reported WC frequency to
ALSA was unstable as mentioned in

http://mailman.alsa-project.org/pipermail/alsa-devel/2008-March/006723.html

Signed-off-by: Adrian Knoth <adi@drcomp.erfurt.thur.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hdspm - Fix locking in snd_hdspm_midi_input_read
Adrian Knoth [Sun, 12 Jun 2011 15:26:17 +0000 (17:26 +0200)]
ALSA: hdspm - Fix locking in snd_hdspm_midi_input_read

For the MIDI part, we need to acquire (and release) the hmidi->lock,
access to the global hdspm structure is serialized through
hmidi->hdspm->lock instead.

Signed-off-by: Adrian Knoth <adi@drcomp.erfurt.thur.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoMerge branch 'fix/asoc' into for-linus
Takashi Iwai [Fri, 10 Jun 2011 15:49:34 +0000 (17:49 +0200)]
Merge branch 'fix/asoc' into for-linus

13 years agoALSA: hda: Fix inaudible internal speakers on CyberpowerPC Gamer Xplorer N57001 laptop
Daniel T Chen [Fri, 10 Jun 2011 14:14:01 +0000 (10:14 -0400)]
ALSA: hda: Fix inaudible internal speakers on CyberpowerPC Gamer Xplorer N57001 laptop

BugLink: https://launchpad.net/bugs/761171
The original reporter needs the model=auto quirk for his internal
speakers to be audible in the latest daily snapshot, so add an entry in
the quirk table for his PCI SSID.

A trivially different version of this patch using the model=asus quirk
should be applied to the 2.6.38 and 2.6.39 stable kernels. We don't use
the asus quirk in 3.0-rc2, because 3.0-rc2's autoparser is much
improved.

Reported-and-tested-by: tomdeering7
Signed-off-by: Daniel T Chen <crimsun@ubuntu.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: Use %pV for snd_printk()
Takashi Iwai [Fri, 10 Jun 2011 13:32:31 +0000 (15:32 +0200)]
ALSA: Use %pV for snd_printk()

Clean up snd_printk() helper using the %pV prefix for recursive printks.
This also automagically fixes an Oops with RO/NX-enabled modules.

Tested-by: Maarten Lankhorst <m.b.lankhorst@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hda - Fix initialization of hp pins with master_mute in Realtek
Takashi Iwai [Fri, 10 Jun 2011 13:28:15 +0000 (15:28 +0200)]
ALSA: hda - Fix initialization of hp pins with master_mute in Realtek

Some Reatlek model quirks use master_mute bool switch for controlling
the master-mute of outputs.  For these cases, the initialization of HP
pins/amps were forgotten during the transition to the common automute
helper function in 3.0 development time, and resulted in the muted HP
output as default.

This patch fixes the issue by adjusting the HP output explicitly with
master_mute switch.

Tested-by: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hda - Fix invalid unsol tag for some alc262 model quirks
Takashi Iwai [Fri, 10 Jun 2011 07:31:54 +0000 (09:31 +0200)]
ALSA: hda - Fix invalid unsol tag for some alc262 model quirks

The tag number was forgotten to be fixed after cleaning up the model
quirks for ALC262 fujitsu and lenovo-3000 models.

Tested-by: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hda - Fix SSYNC register value for non-Intel controllers
Takashi Iwai [Fri, 10 Jun 2011 12:56:26 +0000 (14:56 +0200)]
ALSA: hda - Fix SSYNC register value for non-Intel controllers

SSYNC register was once defined as 0x34-37 in the old Intel datasheet,
but corrected later to 0x38-3b.  For fixing the register usage, a new
bit-flag is introduced for indicating the old ICH SSYNC register, and
ICH* PCI entries are added explicitly to enable this quirk.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hda - Disable SPDIF only when no pin config set for HP with AD1981
Takashi Iwai [Fri, 10 Jun 2011 12:37:04 +0000 (14:37 +0200)]
ALSA: hda - Disable SPDIF only when no pin config set for HP with AD1981

Some HP laptops with AD1981 have SPDIF connections, but currently the
driver disables it statically.  Better to check the pin default config
to judge whether to enable or disable the SPDIF.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoASoC: SAMSUNG: Fix the incorrect referencing of I2SCON register
Sangbeom Kim [Fri, 10 Jun 2011 01:36:54 +0000 (10:36 +0900)]
ASoC: SAMSUNG: Fix the incorrect referencing of I2SCON register

If DMA active status should be checked, I2SCON register should be referenced.
In this patch, Fix the incorrect referencing of I2SCON register.

Reported-by : Lakkyung Jung <lakkyung.jung@samsung.com>
Signed-off-by: Sangbeom Kim <sbkim73@samsung.com>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org
13 years agoASoC: snd_soc_new_{mixer,mux,pga} make sure to use right DAPM context
Lars-Peter Clausen [Thu, 9 Jun 2011 11:22:36 +0000 (13:22 +0200)]
ASoC: snd_soc_new_{mixer,mux,pga} make sure to use right DAPM context

Currently it is possible that snd_soc_new_{mixer,mux,pga} is called with a
DAPM context not matching the widgets context. This can lead to a wrong
prefix_len calculation, which will result in undefined behaviour. To avoid
this always use the DAPM context from the widget itself.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org
13 years agoASoC: fsl: fix initialization of DMA buffers
Timur Tabi [Wed, 8 Jun 2011 20:02:56 +0000 (15:02 -0500)]
ASoC: fsl: fix initialization of DMA buffers

The DMA (PCM) driver used by some Freescale PowerPC supports separate DAIs
for playback and capture, so DMA buffers should be allocated only for the
initialized streams.  Instead of checking for the number of active channels,
which apparently is not reliable, check to see if the actual stream object
exists.

Also provide a better name for the DMA interrupt.

Signed-off-by: Timur Tabi <timur@freescale.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
13 years agoASoC: WM8804 does not support sample rates below 32kHz
Mark Brown [Wed, 8 Jun 2011 17:07:49 +0000 (18:07 +0100)]
ASoC: WM8804 does not support sample rates below 32kHz

Reported-by: Kieran O'Leary <Kieran.O'Leary@wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Cc: stable@kernel.org
13 years agoASoC: Fix WM8962 headphone volume update for use of advanced caches
Mark Brown [Tue, 7 Jun 2011 22:42:04 +0000 (23:42 +0100)]
ASoC: Fix WM8962 headphone volume update for use of advanced caches

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Cc: stable@kernel.org
13 years agoALSA: hda - Judge playback stream from stream id in azx_via_get_position()
Takashi Iwai [Tue, 7 Jun 2011 10:26:56 +0000 (12:26 +0200)]
ALSA: hda - Judge playback stream from stream id in azx_via_get_position()

Instead of checking the azx_dev index with a fixed number (4), check
the stream direction of the assigned substream.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hda - Handle -1 as invalid position, too
Takashi Iwai [Tue, 7 Jun 2011 10:23:23 +0000 (12:23 +0200)]
ALSA: hda - Handle -1 as invalid position, too

When reading from the position-buffer results in -1, handle as it's
invalid and falls back to LPIB mode as well as 0.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoASoC: Blackfin: bf5xx-ad1836: Fix codec device name
Lars-Peter Clausen [Tue, 7 Jun 2011 08:24:46 +0000 (10:24 +0200)]
ASoC: Blackfin: bf5xx-ad1836: Fix codec device name

Fix the codec_name field of the dai_link to match the actual device name
of the codec. Otherwise the card won't be instantiated.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org
13 years agoALSA: hda: Fix quirk for Dell Inspiron 910
Daniel T Chen [Mon, 6 Jun 2011 22:55:34 +0000 (18:55 -0400)]
ALSA: hda: Fix quirk for Dell Inspiron 910

BugLink: https://launchpad.net/bugs/792712
The original reporter states that sound from the internal speakers is
inaudible until using the model=auto quirk. This symptom is due to an
existing quirk mask for 0x102802b* that uses the model=dell quirk. To
limit the possible regressions, leave the existing quirk mask but add
a higher priority specific mask for the reporter's PCI SSID.

Reported-and-tested-by: rodni hipp
Cc: <stable@kernel.org> [2.6.38+]
Signed-off-by: Daniel T Chen <crimsun@ubuntu.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoASoC: AD1836: Fix setting the PCM format
Lars-Peter Clausen [Mon, 6 Jun 2011 11:38:35 +0000 (13:38 +0200)]
ASoC: AD1836: Fix setting the PCM format

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org
13 years agoASoC: Check for NULL register bank in snd_soc_get_cache_val()
Mark Brown [Mon, 6 Jun 2011 10:26:15 +0000 (11:26 +0100)]
ASoC: Check for NULL register bank in snd_soc_get_cache_val()

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
13 years agoASoC: Add missing break in WM8915 FLL source selection
Mark Brown [Fri, 3 Jun 2011 17:20:50 +0000 (18:20 +0100)]
ASoC: Add missing break in WM8915 FLL source selection

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
13 years agoASoC: Only update SYSCLK_ENA when pausing WM8915 SYSCLK
Mark Brown [Fri, 3 Jun 2011 16:13:57 +0000 (17:13 +0100)]
ASoC: Only update SYSCLK_ENA when pausing WM8915 SYSCLK

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
13 years agoALSA: hda: HDMI: Support codecs with fewer cvts than pins
Stephen Warren [Wed, 1 Jun 2011 17:14:21 +0000 (11:14 -0600)]
ALSA: hda: HDMI: Support codecs with fewer cvts than pins

The general concept of this change is to create a PCM device for each
pin widget instead of each converter widget. Whenever a PCM is opened,
a converter is dynamically selected to drive that pin based on those
available for muxing into the pin.

The one thing this model doesn't support is a single PCM/converter
sending audio to multiple pin widgets at once.

Note that this means that a struct hda_pcm_stream's nid variable is
set to 0 except between a stream's open and cleanup calls. The dynamic
de-assignment of converters to PCMs occurs within cleanup, not close,
in order for it to co-incide with when controller stream IDs are
cleaned up from converters.

While the PCM for a pin is not open, the pin is disabled (its widget
control's PIN_OUT bit is cleared) so that if the currently routed
converter is used to drive a different PCM/pin, that audio does not
leak out over a disabled pin.

We use the recently added SPDIF virtualization feature in order to
create SPDIF controls for each pin widget instead of each converter
widget, so that state is specific to a PCM.

In order to support this, a number of more mechanical changes are made:

* s/nid/pin_nid/ or s/nid/cvt_nid/ in many places in order to make it
  clear exactly what the code is dealing with.

* We now have per_pin and per_cvt arrays in hdmi_spec to store relevant
  data. In particular, we store a converter's capabilities in the per_cvt
  entry, rather than relying on a combination of codec_pcm_pars and
  the struct hda_pcm_stream.

* ELD-related workarounds were removed from hdmi_channel_allocation
  into hdmi_instrinsic in order to simplifiy infoframe calculations and
  remove HW dependencies.

* Various functions only apply to a single pin, since there is now
  only 1 pin per PCM. For example, hdmi_setup_infoframe,
  hdmi_setup_stream.

* hdmi_add_pin and hdmi_add_cvt are more oriented at pure codec parsing
  and data retrieval, rather than determining which pins/converters
  are to be used for creating PCMs.

This is quite a large change; it may be appropriate to simply read the
result of the patch rather than the diffs. Some small parts of the change
might be separable into different patches, but I think the bulk of the
change will probably always be one large patch. Hopefully the change
isn't too opaque!

This has been tested on:

* NVIDIA GeForce 400 series discrete graphics card. This model has the
  classical 1:1:1 codec:converter:pcm widget model. Tested stereo PCM
  audio to a PC monitor that supports audio.

* NVIDIA GeForce 520 discrete graphics card. This model is the new
  1 codec n converters m pins m>n model. Tested stereo PCM audio to a
  PC monitor that supports audio.

* NVIDIA GeForce 400 series laptop graphics chip. This model has the
  classical 1:1:1 codec:converter:pcm widget model. Tested stereo PCM,
  multi-channel PCM, and AC3 pass-through to an AV receiver.

* Intel Ibex Peak laptop. This model is the new 1 codec n converters m
  pins m>n model. Tested stereo PCM, multi-channel PCM, and AC3 pass-
  through to an AV receiver.

Note that I'm not familiar at all with AC3 pass-through. Hence, I may
not have covered all possible mechanisms that are applicable here. I do
know that my receiver definitely received AC3, not decoded PCM. I tested
with mplayer's "-afm hwac3" and/or "-af lavcac3enc" options, and alsa a
WAV file that I believe has AC3 content rather than PCM.

I also tested:
* Play a stream
* Mute while playing
* Stop stream
* Play some other streams to re-assign the converter to a different
  pin, PCM, set of SPDIF controls, ... hence hopefully triggering
  cleanup for the original PCM.
* Unmute original stream while not playing
* Play a stream on the original pin/PCM.

This was to test SPDIF control virtualization.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hda: hdmi_eld_update_pcm_info: update a stream in place
Stephen Warren [Wed, 1 Jun 2011 17:14:20 +0000 (11:14 -0600)]
ALSA: hda: hdmi_eld_update_pcm_info: update a stream in place

A future change won't store an entire hda_pcm_stream just to represent
the capabilities of a codec; a custom data-structure will be used. To
ease that transition, modify hdmi_eld_update_pcm_info to expect the
hda_pcm_stream to be pre-initialized with the codec's capabilities, and
to update those capabilities in-place based on the ELD.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hda: Separate generic and non-generic implementations
Stephen Warren [Wed, 1 Jun 2011 17:14:19 +0000 (11:14 -0600)]
ALSA: hda: Separate generic and non-generic implementations

A future change will significantly rework the generic implementation
in order to support codecs with a different number of pins and
converters. Isolate the more custom codec variants from this change by
duplicating the small portions of generic code they share. This
simplifies the later rework of that previously shared code, since we
don't have to consider the more custom codecs, and also prevents
support for those codecs from regressing.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hda: Virtualize SPDIF out controls
Stephen Warren [Wed, 1 Jun 2011 17:14:18 +0000 (11:14 -0600)]
ALSA: hda: Virtualize SPDIF out controls

The SPDIF output controls apply to converter widgets. A future change
will create a PCM device per pin widget, and hence a set of SPDIF output
controls per pin widget, for certain HDMI codecs. To support this, we
need the ability to virtualize the SPDIF output controls. Specifically:

* Controls can be "unassigned" from real hardware when a converter is
  not used for the PCM the control was created for.
* Control puts only write to hardware when they are assigned.
* Controls can be "assigned" to real hardware when a converter is picked
  to support output for a particular PCM.
* When a converter is assigned, the hardware is updated to the cached
  configuration.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hda: Allow multple SPDIF controls per codec
Stephen Warren [Wed, 1 Jun 2011 17:14:17 +0000 (11:14 -0600)]
ALSA: hda: Allow multple SPDIF controls per codec

Currently, the data that backs the kcontrols created by
snd_hda_create_spdif_out_ctls is stored directly in struct hda_codec. When
multiple sets of these controls are stored, they will all manipulate the
same data, causing confusion. Instead, store an array of this data, one
copy per converter, to isolate the controls.

This patch would cause a behavioural change in the case where
snd_hda_create_spdif_out_ctls was called multiple times for a single codec.
As best I can tell, this is never the case for any codec.

This will be relevant at least for some HDMI audio codecs, such as the
NVIDIA GeForce 520 and Intel Ibex Peak. A future change will modify the
driver's handling of those codecs to create multiple PCMs per codec. Note
that this issue isn't affected by whether one creates a PCM-per-converter
or PCM-per-pin; there are multiple of both within a single codec in both
of those codecs.

Note that those codecs don't currently create multiple PCMs for the codec
due to the default HW mux state of all pins being to point at the same
converter, hence there is only a single converter routed to any pin, and
hence only a single PCM.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hda: Gate ELD usage only by whether ELD is valid
Stephen Warren [Wed, 1 Jun 2011 17:14:16 +0000 (11:14 -0600)]
ALSA: hda: Gate ELD usage only by whether ELD is valid

It's perfectly valid for an ELD to contain no SADs. This simply means that
only basic audio is supoprted.

In this case, we still want to limit a PCM's capabilities based on the ELD.

History:

* Originally, ELD application was limited solely by sad_count>0, which
  was used to check that an ELD had been read.
* Later, eld_valid was added to the conditions to satisfy.

This change removes the original sad_count>0 check, which when squashed
with the above two changes ends up replacing if (sad_count) with
if (eld_valid).

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoMerge branch 'for-3.0' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound...
Mark Brown [Mon, 6 Jun 2011 09:38:23 +0000 (10:38 +0100)]
Merge branch 'for-3.0' of git://git./linux/kernel/git/broonie/sound-2.6 into for-3.0

13 years agoLinux 3.0-rc2
Linus Torvalds [Mon, 6 Jun 2011 09:06:33 +0000 (18:06 +0900)]
Linux 3.0-rc2

13 years agomm: fix ENOSPC returned by handle_mm_fault()
Hugh Dickins [Mon, 6 Jun 2011 05:03:13 +0000 (22:03 -0700)]
mm: fix ENOSPC returned by handle_mm_fault()

Al Viro observes that in the hugetlb case, handle_mm_fault() may return
a value of the kind ENOSPC when its caller is expecting a value of the
kind VM_FAULT_SIGBUS: fix alloc_huge_page()'s failure returns.

Signed-off-by: Hugh Dickins <hughd@google.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
Linus Torvalds [Mon, 6 Jun 2011 08:51:28 +0000 (17:51 +0900)]
Merge branch 'for-linus' of git://git./linux/kernel/git/tiwai/sound-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
  ALSA: usb - turn off de-emphasis in s/pdif for cm6206
  ALSA: asihpi: Use angle brackets for system includes
  ALSA: fm801: add error handling if auto-detect fails
  ALSA: hda - Check pin support EAPD in ad198x_power_eapd_write
  ALSA: hda - Fix HP and Front pins of ad1988/ad1989 in ad198x_power_eapd()
  ALSA: 6fire: Don't leak firmware in error path
  ASoC: Fix wm_hubs input PGA ZC bits
  ASoC: Fix dapm_is_shared_kcontrol so everything isn't shared

13 years agoMerge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groec...
Linus Torvalds [Mon, 6 Jun 2011 08:48:02 +0000 (17:48 +0900)]
Merge branch 'hwmon-for-linus' of git://git./linux/kernel/git/groeck/staging

* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/staging:
  hwmon: (max6642): Better chip detection schema
  hwmon: (coretemp) Further relax temperature range checks
  hwmon: (coretemp) Fix TjMax detection for older CPUs
  hwmon: (coretemp) Relax target temperature range check
  hwmon: (max6642) Rename temp_fault sysfs attribute to temp2_fault

13 years agoMerge branch 'fix/asoc' into for-linus
Takashi Iwai [Mon, 6 Jun 2011 07:28:49 +0000 (09:28 +0200)]
Merge branch 'fix/asoc' into for-linus

13 years agoMerge branch 'for-linus' of git://android.git.kernel.org/kernel/tegra
Linus Torvalds [Sat, 4 Jun 2011 23:11:11 +0000 (08:11 +0900)]
Merge branch 'for-linus' of git://android.git./kernel/tegra

* 'for-linus' of git://android.git.kernel.org/kernel/tegra:
  ARM: Tegra: Harmony: Fix conflicting GPIO numbering

13 years agoARM: Tegra: Harmony: Fix conflicting GPIO numbering
Stephen Warren [Tue, 31 May 2011 21:14:07 +0000 (15:14 -0600)]
ARM: Tegra: Harmony: Fix conflicting GPIO numbering

Currently, both the WM8903 and TPS6586x chips attempt to register with
gpiolib using the same GPIO numbers. This causes the audio driver to
fail to initialize.

To solve this, add a define to board-harmony.h for the TPS6586x, and make
board-harmony-power.c use this define, instead of directly referencing
TEGRA_NR_GPIOS.

This fixes a regression introduced by commit
6f168f2fa60f87e85e0df25e87e2372f22f5eb7c.
ARM: tegra: harmony: initialize the TPS65862 PMIC

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Colin Cross <ccross@android.com>
13 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs...
Linus Torvalds [Sat, 4 Jun 2011 21:17:23 +0000 (06:17 +0900)]
Merge branch 'for-linus' of git://git./linux/kernel/git/mason/btrfs-unstable

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: (25 commits)
  btrfs: fix uninitialized variable warning
  btrfs: add helper for fs_info->closing
  Btrfs: add mount -o inode_cache
  btrfs: scrub: add explicit plugging
  btrfs: use btrfs_ino to access inode number
  Btrfs: don't save the inode cache if we are deleting this root
  btrfs: false BUG_ON when degraded
  Btrfs: don't save the inode cache in non-FS roots
  Btrfs: make sure we don't overflow the free space cache crc page
  Btrfs: fix uninit variable in the delayed inode code
  btrfs: scrub: don't reuse bios and pages
  Btrfs: leave spinning on lookup and map the leaf
  Btrfs: check for duplicate entries in the free space cache
  Btrfs: don't try to allocate from a block group that doesn't have enough space
  Btrfs: don't always do readahead
  Btrfs: try not to sleep as much when doing slow caching
  Btrfs: kill BTRFS_I(inode)->block_group
  Btrfs: don't look at the extent buffer level 3 times in a row
  Btrfs: map the node block when looking for readahead targets
  Btrfs: set range_start to the right start in count_range_bits
  ...

13 years agohwmon: (max6642): Better chip detection schema
Per Dalén [Thu, 26 May 2011 13:08:53 +0000 (09:08 -0400)]
hwmon: (max6642): Better chip detection schema

Improve detection of MAX6642 by reading non existing registers (0x04, 0x06
and 0xff). Reading those registers returns the previously read value.

Signed-off-by: Per Dalen <per.dalen@appeartv.com>
[guenter.roeck@ericsson.com: added second set of register reads]
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
13 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6
Linus Torvalds [Sat, 4 Jun 2011 14:19:51 +0000 (23:19 +0900)]
Merge git://git./linux/kernel/git/jejb/scsi-rc-fixes-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6:
  [SCSI] Fix oops caused by queue refcounting failure

13 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
Linus Torvalds [Sat, 4 Jun 2011 14:16:00 +0000 (23:16 +0900)]
Merge git://git./linux/kernel/git/davem/net-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (40 commits)
  tg3: Fix tg3_skb_error_unmap()
  net: tracepoint of net_dev_xmit sees freed skb and causes panic
  drivers/net/can/flexcan.c: add missing clk_put
  net: dm9000: Get the chip in a known good state before enabling interrupts
  drivers/net/davinci_emac.c: add missing clk_put
  af-packet: Add flag to distinguish VID 0 from no-vlan.
  caif: Fix race when conditionally taking rtnl lock
  usbnet/cdc_ncm: add missing .reset_resume hook
  vlan: fix typo in vlan_dev_hard_start_xmit()
  net/ipv4: Check for mistakenly passed in non-IPv4 address
  iwl4965: correctly validate temperature value
  bluetooth l2cap: fix locking in l2cap_global_chan_by_psm
  ath9k: fix two more bugs in tx power
  cfg80211: don't drop p2p probe responses
  Revert "net: fix section mismatches"
  drivers/net/usb/catc.c: Fix potential deadlock in catc_ctrl_run()
  sctp: stop pending timers and purge queues when peer restart asoc
  drivers/net: ks8842 Fix crash on received packet when in PIO mode.
  ip_options_compile: properly handle unaligned pointer
  iwlagn: fix incorrect PCI subsystem id for 6150 devices
  ...

13 years agobtrfs: fix uninitialized variable warning
David Sterba [Fri, 3 Jun 2011 14:29:08 +0000 (16:29 +0200)]
btrfs: fix uninitialized variable warning

With Linus' tree, today's linux-next build (powercp ppc64_defconfig)
produced this warning:

fs/btrfs/delayed-inode.c: In function 'btrfs_delayed_update_inode':
fs/btrfs/delayed-inode.c:1598:6: warning: 'ret' may be used
uninitialized in this function

Introduced by commit 16cdcec736cd ("btrfs: implement delayed inode items
operation").

This fixes a bug in btrfs_update_inode(): if the returned value from
btrfs_delayed_update_inode is a nonzero garbage, inode stat data are not
updated and several call paths may hit a BUG_ON or fail with strange
code.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David Sterba <dsterba@suse.cz>
13 years agobtrfs: add helper for fs_info->closing
David Sterba [Tue, 31 May 2011 16:07:27 +0000 (18:07 +0200)]
btrfs: add helper for fs_info->closing

wrap checking of filesystem 'closing' flag and fix a few missing memory
barriers.

Signed-off-by: David Sterba <dsterba@suse.cz>
13 years agoBtrfs: add mount -o inode_cache
Chris Mason [Fri, 3 Jun 2011 13:36:29 +0000 (09:36 -0400)]
Btrfs: add mount -o inode_cache

This makes the inode map cache default to off until we
fix the overflow problem when the free space crcs don't fit
inside a single page.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
13 years agobtrfs: scrub: add explicit plugging
Arne Jansen [Sat, 28 May 2011 20:58:38 +0000 (20:58 +0000)]
btrfs: scrub: add explicit plugging

With the removal of the implicit plugging scrub ends up doing more and
smaller I/O than necessary. This patch adds explicit plugging per chunk.

Signed-off-by: Arne Jansen <sensille@gmx.net>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
13 years agobtrfs: use btrfs_ino to access inode number
David Sterba [Tue, 31 May 2011 17:08:14 +0000 (17:08 +0000)]
btrfs: use btrfs_ino to access inode number

commit 4cb5300bc ("Btrfs: add mount -o auto_defrag") accesses inode
number directly while it should use the helper with the new inode
number allocator.

Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
13 years agoBtrfs: don't save the inode cache if we are deleting this root
Josef Bacik [Tue, 31 May 2011 19:33:33 +0000 (19:33 +0000)]
Btrfs: don't save the inode cache if we are deleting this root

With xfstest 254 I can panic the box every time with the inode number caching
stuff on.  This is because we clean the inodes out when we delete the subvolume,
but then we write out the inode cache which adds an inode to the subvolume inode
tree, and then when it gets evicted again the root gets added back on the dead
roots list and is deleted again, so we have a double free.  To stop this from
happening just return 0 if refs is 0 (and we're not the tree root since tree
root always has refs of 0).  With this fix 254 no longer panics.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
Tested-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
13 years agobtrfs: false BUG_ON when degraded
Arne Jansen [Mon, 30 May 2011 08:36:16 +0000 (08:36 +0000)]
btrfs: false BUG_ON when degraded

In degraded mode the struct btrfs_device of missing devs don't have
device->name set. A kstrdup of NULL correctly returns NULL. Don't
BUG in this case.

Signed-off-by: Arne Jansen <sensille@gmx.net>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
13 years agoBtrfs: don't save the inode cache in non-FS roots
liubo [Wed, 1 Jun 2011 09:42:49 +0000 (09:42 +0000)]
Btrfs: don't save the inode cache in non-FS roots

This adds extra checks to make sure the inode map we are caching really
belongs to a FS root instead of a special relocation tree.  It
prevents crashes during balancing operations.

Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
13 years agoBtrfs: make sure we don't overflow the free space cache crc page
Chris Mason [Fri, 3 Jun 2011 05:26:53 +0000 (01:26 -0400)]
Btrfs: make sure we don't overflow the free space cache crc page

The free space cache uses only one page for crcs right now,
which means we can't have a cache file bigger than the
crcs we can fit in the first page.  This adds a check to
enforce that restriction.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
13 years agoBtrfs: fix uninit variable in the delayed inode code
Chris Mason [Fri, 3 Jun 2011 05:13:45 +0000 (01:13 -0400)]
Btrfs: fix uninit variable in the delayed inode code

The nitems counter needs to start at zero

Signed-off-by: Chris Mason <chris.mason@oracle.com>
13 years agobtrfs: scrub: don't reuse bios and pages
Arne Jansen [Sat, 28 May 2011 19:57:55 +0000 (21:57 +0200)]
btrfs: scrub: don't reuse bios and pages

The current scrub implementation reuses bios and pages as often as possible,
allocating them only on start and releasing them when finished. This leads
to more problems with the block layer than it's worth. The elevator gets
confused when there are more pages added to the bio than bi_size suggests.
This patch completely rips out the reuse of bios and pages and allocates
them freshly for each submit.

Signed-off-by: Arne Jansen <sensille@gmx.net>
Signed-off-by: Chris Maosn <chris.mason@oracle.com>
13 years agoMerge branch 'for-linus' of git://git.kernel.dk/linux-block
Linus Torvalds [Fri, 3 Jun 2011 23:11:26 +0000 (08:11 +0900)]
Merge branch 'for-linus' of git://git.kernel.dk/linux-block

* 'for-linus' of git://git.kernel.dk/linux-block:
  block: Use hlist_entry() for io_context.cic_list.first
  cfq-iosched: Remove bogus check in queue_fail path
  xen/blkback: potential null dereference in error handling
  xen/blkback: don't call vbd_size() if bd_disk is NULL
  block: blkdev_get() should access ->bd_disk only after success
  CFQ: Fix typo and remove unnecessary semicolon
  block: remove unwanted semicolons
  Revert "block: Remove extra discard_alignment from hd_struct."
  nbd: adjust 'max_part' according to part_shift
  nbd: limit module parameters to a sane value
  nbd: pass MSG_* flags to kernel_recvmsg()
  block: improve the bio_add_page() and bio_add_pc_page() descriptions

13 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier...
Linus Torvalds [Fri, 3 Jun 2011 23:04:10 +0000 (08:04 +0900)]
Merge branch 'for-linus' of git://git./linux/kernel/git/vapier/blackfin

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin:
  Blackfin: strncpy: fix handling of zero lengths

13 years agoMerge branch 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux...
Linus Torvalds [Fri, 3 Jun 2011 23:03:16 +0000 (08:03 +0900)]
Merge branch 'stable' of git://git./linux/kernel/git/cmetcalf/linux-tile

* 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
  asm-generic/unistd.h: support sendmmsg syscall
  tile: enable CONFIG_BUGVERBOSE

13 years agoMerge branch 'linux-next' of git://git.infradead.org/ubifs-2.6
Linus Torvalds [Fri, 3 Jun 2011 22:59:32 +0000 (07:59 +0900)]
Merge branch 'linux-next' of git://git.infradead.org/ubifs-2.6

* 'linux-next' of git://git.infradead.org/ubifs-2.6:
  UBIFS: fix-up free space earlier
  UBIFS: intialize LPT earlier
  UBIFS: assert no fixup when writing a node
  UBIFS: fix clean znode counter corruption in error cases
  UBIFS: fix memory leak on error path
  UBIFS: fix shrinker object count reports
  UBIFS: fix recovery broken by the previous recovery fix
  UBIFS: amend ubifs_recover_leb interface
  UBIFS: introduce a "grouped" journal head flag
  UBIFS: supress false error messages

13 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt...
Linus Torvalds [Fri, 3 Jun 2011 22:58:48 +0000 (07:58 +0900)]
Merge branch 'for-linus' of git://git./linux/kernel/git/rostedt/linux-2.6-ktest

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-ktest:
  ktest: Ignore unset values of the minconfig in config_bisect
  ktest: Fix result of rebooting the kernel
  ktest: Fix off-by-one in config bisect result

13 years agoMerge branch 'rmobile-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Fri, 3 Jun 2011 22:53:23 +0000 (07:53 +0900)]
Merge branch 'rmobile-fixes-for-linus' of git://git./linux/kernel/git/lethal/sh-2.6

* 'rmobile-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6:
  ARM: mach-shmobile: add DMAC clock definitions on SH7372
  ARM: arch-shmobile: support SDHI card detection on mackerel, using a GPIO
  sh_mobile_meram: MERAM platform data for LCDC

13 years agoMerge branch 'sh-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Fri, 3 Jun 2011 22:04:25 +0000 (07:04 +0900)]
Merge branch 'sh-fixes-for-linus' of git://git./linux/kernel/git/lethal/sh-2.6

* 'sh-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6:
  dmaengine: shdma: fix a regression: initialise DMA channels for memcpy
  dmaengine: shdma: Fix up fallout from runtime PM changes.
  Revert "clocksource: sh_cmt: Runtime PM support"
  Revert "clocksource: sh_tmu: Runtime PM support"
  sh: Fix up asm-generic/ptrace.h fallout.
  sh64: Move from P1SEG to CAC_ADDR for consistent sync.
  sh64: asm/pgtable.h needs asm/mmu.h
  sh: asm/tlb.h needs linux/swap.h
  sh: mark DMA slave ID 0 as invalid
  sh: Update shmin to reflect PIO dependency.
  sh: arch/sh/kernel/process_32.c needs linux/prefetch.h.
  sh: add MMCIF runtime PM support on ecovec
  sh: switch ap325rxa to dynamically manage the platform camera

13 years agoRevert "ASoC: Update cx20442 for TTY API change"
Linus Torvalds [Fri, 3 Jun 2011 22:00:50 +0000 (07:00 +0900)]
Revert "ASoC: Update cx20442 for TTY API change"

This reverts commit ed0bd2333cffc3d856db9beb829543c1dfc00982.

Since we reverted the TTY API change, we should revert the ASoC update
to it too.

Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Liam Girdwood <lrg@ti.com>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoRevert "tty: make receive_buf() return the amout of bytes received"
Linus Torvalds [Fri, 3 Jun 2011 21:33:24 +0000 (06:33 +0900)]
Revert "tty: make receive_buf() return the amout of bytes received"

This reverts commit b1c43f82c5aa265442f82dba31ce985ebb7aa71c.

It was broken in so many ways, and results in random odd pty issues.

It re-introduced the buggy schedule_work() in flush_to_ldisc() that can
cause endless work-loops (see commit a5660b41af6a: "tty: fix endless
work loop when the buffer fills up").

It also used an "unsigned int" return value fo the ->receive_buf()
function, but then made multiple functions return a negative error code,
and didn't actually check for the error in the caller.

And it didn't actually work at all.  BenH bisected down odd tty behavior
to it:
  "It looks like the patch is causing some major malfunctions of the X
   server for me, possibly related to PTYs.  For example, cat'ing a
   large file in a gnome terminal hangs the kernel for -minutes- in a
   loop of what looks like flush_to_ldisc/workqueue code, (some ftrace
   data in the quoted bits further down).

   ...

   Some more data: It -looks- like what happens is that the
   flush_to_ldisc work queue entry constantly re-queues itself (because
   the PTY is full ?) and the workqueue thread will basically loop
   forver calling it without ever scheduling, thus starving the consumer
   process that could have emptied the PTY."

which is pretty much exactly the problem we fixed in a5660b41af6a.

Milton Miller pointed out the 'unsigned int' issue.

Reported-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Reported-by: Milton Miller <miltonm@bga.com>
Cc: Stefan Bigler <stefan.bigler@keymile.com>
Cc: Toby Gray <toby.gray@realvnc.com>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoMerge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
John W. Linville [Fri, 3 Jun 2011 18:31:50 +0000 (14:31 -0400)]
Merge branch 'master' of git://git./linux/kernel/git/linville/wireless-2.6 into for-davem

13 years agoALSA: usb - turn off de-emphasis in s/pdif for cm6206
Eric Lammerts [Fri, 27 May 2011 22:16:52 +0000 (18:16 -0400)]
ALSA: usb - turn off de-emphasis in s/pdif for cm6206

CM6206: Turn off de-emphasis channel status bit in S/PDIF output.

Signed-off-by: Eric Lammerts <eric@lammerts.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoUBIFS: fix-up free space earlier
Ben Gardiner [Mon, 30 May 2011 18:56:16 +0000 (14:56 -0400)]
UBIFS: fix-up free space earlier

The free space fixup is currently initiated during mount after the call to
ubifs_write_master() which results in a write to PEBs; this has been observed
with the patch 'assert no fixup when writing a node' applied:

Move the free space fixup on mount to before the calls to
ubifs_recover_inl_heads() and ubifs_write_master(). This results in no
assertions with the previously mentioned patch applied.

Artem: tweaked the patch a bit

Signed-off-by: Ben Gardiner <bengardiner@nanometrics>
Reviewed-by: Matthew L. Creech <mlcreech@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
13 years agoUBIFS: intialize LPT earlier
Ben Gardiner [Mon, 30 May 2011 18:56:15 +0000 (14:56 -0400)]
UBIFS: intialize LPT earlier

The current 'mount_ubifs()' implementation does not initialize the LPT until the
the master node is marked dirty. Move the LPT initialization to before marking
the master node dirty. This is a preparation for the next patch which will move
the free-space-fixup check to before marking the master node dirty, because we
have to fix-up the free space before doing any writes.

Artem: massaged the patch and commit message.

Signed-off-by: Ben Gardiner <bengardiner@nanometrics.ca>
Reviewed-by: Matthew L. Creech <mlcreech@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
13 years agoUBIFS: assert no fixup when writing a node
Ben Gardiner [Mon, 30 May 2011 18:56:14 +0000 (14:56 -0400)]
UBIFS: assert no fixup when writing a node

The current free space fixup can result in some writing to the UBI volume
when the space_fixup flag is set.

To catch instances where UBIFS is writing to the NAND while the space_fixup
flag is set, add an assert to ubifs_write_node().

Artem: tweaked the patch, added similar assertion to the write buffer
       write path.

Signed-off-by: Ben Gardiner <bengardiner@nanometrics.ca>
Reviewed-by: Matthew L. Creech <mlcreech@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
13 years agoUBIFS: fix clean znode counter corruption in error cases
Artem Bityutskiy [Tue, 31 May 2011 11:26:07 +0000 (14:26 +0300)]
UBIFS: fix clean znode counter corruption in error cases

UBIFS maintains per-filesystem and global clean znode counters
('c->clean_zn_cnt' and 'ubifs_clean_zn_cnt'). It is important to maintain
correct values there since the shrinker relies on 'ubifs_clean_zn_cnt'.

However, in case of failures during commit the counters were corrupted. E.g.,
if a failure happens in the middle of 'write_index()', then some nodes in the
commit list ('c->cnext') are marked as clean, and some are marked as dirty. And
the 'ubifs_destroy_tnc_subtree()' frees does not retrun correct count, and we
end up with non-zero 'c->clean_zn_cnt' when unmounting. This means that if we
have 2 file-sytem and one of them fails, and we unmount it,
'ubifs_clean_zn_cnt' stays incorrect and confuses the shrinker.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
13 years agoUBIFS: fix memory leak on error path
Artem Bityutskiy [Tue, 31 May 2011 05:40:40 +0000 (08:40 +0300)]
UBIFS: fix memory leak on error path

UBIFS leaks memory on error path in 'ubifs_jnl_update()' in case of write
failure because it forgets to free the 'struct ubifs_dent_node *dent' object.
Although the object is small, the alignment can make it large - e.g., 2KiB
if the min. I/O unit is 2KiB.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Cc: stable@kernel.org
13 years agoUBIFS: fix shrinker object count reports
Artem Bityutskiy [Tue, 31 May 2011 04:03:21 +0000 (07:03 +0300)]
UBIFS: fix shrinker object count reports

Sometimes VM asks the shrinker to return amount of objects it can shrink,
and we return the ubifs_clean_zn_cnt in that case. However, it is possible
that this counter is negative for a short period of time, due to the way
UBIFS TNC code updates it. And I can observe the following warnings sometimes:

shrink_slab: ubifs_shrinker+0x0/0x2b7 [ubifs] negative objects to delete nr=-8541616642706119788

This patch makes sure UBIFS never returns negative count of objects.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Cc: stable@kernel.org
13 years agoBlackfin: strncpy: fix handling of zero lengths
Steven Miao [Wed, 1 Jun 2011 07:52:41 +0000 (15:52 +0800)]
Blackfin: strncpy: fix handling of zero lengths

The jump to 4f will cause the NUL padding loop to run at least one time,
so if string length is zero just jump to the end.  Otherwise we wrongly
write one NUL byte when size==0.

Signed-off-by: Steven Miao <realmz6@gmail.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
13 years agoALSA: asihpi: Use angle brackets for system includes
Joe Perches [Fri, 3 Jun 2011 09:28:49 +0000 (02:28 -0700)]
ALSA: asihpi: Use angle brackets for system includes

Use the normal include style.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoASoC: atmel_ssc: Don't try to free ssc if request failed
Joachim Eastwood [Wed, 1 Jun 2011 21:59:10 +0000 (23:59 +0200)]
ASoC: atmel_ssc: Don't try to free ssc if request failed

We should only call ssc_free() when ssc_request() succeeds or bad
things will happen.

Signed-off-by: Joachim Eastwood <joachim.eastwood@jotron.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
13 years agoALSA: fm801: add error handling if auto-detect fails
Dan Carpenter [Thu, 26 May 2011 08:47:35 +0000 (11:47 +0300)]
ALSA: fm801: add error handling if auto-detect fails

In the original code if auto detect failed and tea575x_tuner == 4
then we copy bogus information to chip->tea.card.  I've changed the
autodetect code to cleanup and return -ENODEV on error instead.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hda - Check pin support EAPD in ad198x_power_eapd_write
Raymond Yau [Wed, 1 Jun 2011 07:09:48 +0000 (15:09 +0800)]
ALSA: hda - Check pin support EAPD in ad198x_power_eapd_write

Check whether the pin supports EAPD in ad198x_power_eapd_write.

Signed-off-by: Raymond Yau <superquad.vortex2@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>